Home / 436,587,099,821.56-654,295,273,923.95-339,785,524,809.90

Finding the Fourth Proportional to 436,587,099,821.56, 654,295,273,923.95 and 339,785,524,809.90

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Solution

The fourth proportional to 436,587,099,821.56, 654,295,273,923.95 and 339,785,524,809.90 is: 509,222,702,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,587,099,821.56 : 654,295,273,923.95 = 339,785,524,809.90 : x
  2. Step 2: Convert to fraction form
    436,587,099,821.56/654,295,273,923.95 = 339,785,524,809.90/x
  3. Step 3: Cross multiply
    436,587,099,821.56x = 654,295,273,923.95 × 339,785,524,809.90
  4. Step 4: Simplify right side
    436,587,099,821.56x = 222,320,063,030,886,643,269,632
  5. Step 5: Solve for x
    x = 222,320,063,030,886,643,269,632/436,587,099,821.56
  6. Step 6: Final answer
    x = 509,222,702,919.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.